Home / 7,889,729.20-11,834,593.80-5,055,377.20

Finding the Fourth Proportional to 7,889,729.20, 11,834,593.80 and 5,055,377.20

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Solution

The fourth proportional to 7,889,729.20, 11,834,593.80 and 5,055,377.20 is: 7,583,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,729.20 : 11,834,593.80 = 5,055,377.20 : x
  2. Step 2: Convert to fraction form
    7,889,729.20/11,834,593.80 = 5,055,377.20/x
  3. Step 3: Cross multiply
    7,889,729.20x = 11,834,593.80 × 5,055,377.20
  4. Step 4: Simplify right side
    7,889,729.20x = 59,828,335,667,781.37
  5. Step 5: Solve for x
    x = 59,828,335,667,781.37/7,889,729.20
  6. Step 6: Final answer
    x = 7,583,065.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.